Spirulina Platensis

Live culture, grown and shipped with care
Free courier delivery in Poland over 99,99 zł
Arrives damaged, dead or not as ordered? We replace it free of charge. Tell us within 48 hours (details)
Need help getting started? Read our guides or contact us

Live Spirulina platensis starter culture — a fast-growing filamentous cyanobacterium, ideal as a live feed or for culturing your own renewable algae stock.

Volume

Clear

Category: Microalgae

Description

A blue-green, spiral-shaped photosynthetic cyanobacterium used in aquaculture feed and biotechnology for its high protein content and easy large-scale cultivation.

Key characteristics:

Cell size/shape: Filamentous, helical trichomes ~3–12 µm wide, up to several hundred µm long
Doubling time: ~1–3 days under optimal conditions (faster in high-density, well-aerated cultures)
Native habitat: Alkaline lakes and warm freshwater bodies in tropical/subtropical regions
Optimal temperature: 30–35°C
Optimal pH: 9.0–11.0 (highly alkaline)
Light requirement: Moderate to high intensity; photoautotrophic
Nutrient needs: Nitrogen (typically nitrate), bicarbonate/carbonate, and trace minerals (commonly cultured in Zarrouk’s medium)
Key composition: Up to 60–70% protein by dry weight, plus phycocyanin, chlorophyll and carotenoids

Additional information

Volume	5mL, 5L (Best price)

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At a glance

What it is: Spirulina platensis, a blue-green filamentous cyanobacterium (up to 60 to 70 % protein by dry weight)
Temperature: 30 to 35 degrees C
pH: 9.0 to 11.0 (alkaline)
Light: Moderate to high; bright indirect light or a lamp
Doubling time: About 1 to 3 days in good conditions
Sizes and prices: 5mL for 9,99 zł; 5L (Best price) for 44,99 zł
Ships: From Poland. Free replacement if it arrives damaged or dead.

Questions before you order

What do I receive?

A live Spirulina platensis starter culture in the volume you choose on this page (5mL, 5L (Best price)), ready to grow on in your own container.

How is it delivered?

Within Poland you can choose InPost Paczkomaty (14,99 zł) or courier delivery (15,99 zł). Courier delivery is free for orders over 99,99 zł.

How long does delivery take?

Orders are prepared within 1 to 2 working days, and delivery within Poland then takes 1 to 3 working days.

Do you ship abroad?

Yes, the small sample sizes ship within the EU. InPost pickup points cost 50 zł to France, Belgium, the Netherlands, Luxembourg, Italy, Spain and Portugal. DPD courier costs 65 zł to Germany, 75 zł to the Netherlands, 87 zł to France, 100 zł to Spain and 130 zł to Italy. Other countries are a flat 200,00 zł. The 5 L size is delivered within Poland only. Parcels abroad usually take a little longer than in Poland.

What if it arrives damaged or dead?

We replace it free of charge. Just tell us within 48 hours of delivery. See the returns policy for details.

What does Spirulina need to grow?

Warm conditions (roughly 30 to 35 °C), good light, and an alkaline, mineral-rich medium. Strong direct sun can bleach the cells, so bright indirect light or a lamp works well. Our guides explain the setup step by step.

Can I start with a small amount and scale up?

Yes. A small starter can be grown on into a larger culture by adding it to fresh medium in stages. Always keep part of the culture back as a reserve.

What is it sold for?

ShopAlgae sells live starter cultures for hobby growing, aquariums, aquaculture feed cultures, research and education.

Po polsku: Żywa kultura Spirulina platensis – starter do hodowli w domu